Malware Analysis Report

2024-12-01 03:02

Sample ID 241107-12wwgazaqg
Target 91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e.bin
SHA256 91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e

Threat Level: Known bad

The file 91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e.bin was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Octo

Octo family

Octo payload

Removes its main activity from the application launcher

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Requests disabling of battery optimizations (often used to enable hiding in the background).

Queries the unique device ID (IMEI, MEID, IMSI)

Declares services with permission to bind to the system

Declares broadcast receivers with permission to handle system events

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Acquires the wake lock

Performs UI accessibility actions on behalf of the user

Reads information about phone network operator.

Requests accessing notifications (often used to intercept notifications before users become aware).

Registers a broadcast receiver at runtime (usually for listening for system events)

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 22:09

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows applications to use exact alarm APIs. android.permission.SCHEDULE_EXACT_ALARM N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 22:09

Reported

2024-11-07 22:12

Platform

android-x86-arm-20240910-en

Max time kernel

149s

Max time network

151s

Command Line

com.putidea84

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.putidea84/cache/jmdxmloeumceekh N/A N/A
N/A /data/user/0/com.putidea84/cache/jmdxmloeumceekh N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.putidea84

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 alayinag45idaesaesr5454.com udp
US 1.1.1.1:53 hersenbo67saaaeldai548.com udp
US 1.1.1.1:53 hepsinezipala4esdim52.com udp
US 1.1.1.1:53 hepsi010malltim21.com udp
US 1.1.1.1:53 neadamsin45mdeaayaq.com udp
GB 216.58.212.238:443 tcp
GB 216.58.212.238:443 tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.14:443 android.apis.google.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 172.217.16.228:80 tcp
GB 172.217.16.228:443 tcp
GB 142.250.200.35:80 tcp
GB 216.58.212.234:443 semanticlocation-pa.googleapis.com tcp

Files

/data/data/com.putidea84/cache/jmdxmloeumceekh

MD5 99d43cc28bd5633ec42e2f58351059a1
SHA1 fcec0f7db5b8b33db1fdc59a593fd68829027ff2
SHA256 15df5b79abab91dbea4b0f2dc57c6748d8544c03d1925ef1e4120884e8e926b8
SHA512 72272a106b0e5daeda6273eaaab572ff56ad9e9abd3be6ae5d1c21c5f03de7a1cc693bbf3fd0d4ae053941da7da9fae5196002d003441f229129126c0d9c8e8d

/data/data/com.putidea84/cache/oat/jmdxmloeumceekh.cur.prof

MD5 f68f9ed3c0d3c0c7b7a153118d3e0194
SHA1 3eb314f77bdbdd99d5b8643823a6a164692a87ac
SHA256 ca7b36c49eaaf269f977d462a54b3705b4b014723c5105e17c72c597ef3c4841
SHA512 880a475f68ecb4bef9f5551d6567c4aa889a3372a03d0cb078fc7c5b7e511058751045ee58a87acc842ca6db496cac6feb262c1e398f59e2b13c50711e7b2b17

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 22:09

Reported

2024-11-07 22:12

Platform

android-x64-20240624-en

Max time kernel

64s

Max time network

138s

Command Line

com.putidea84

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.putidea84/cache/jmdxmloeumceekh N/A N/A
N/A /data/user/0/com.putidea84/cache/jmdxmloeumceekh N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.putidea84

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 hepsinezipala4esdim52.com udp
US 1.1.1.1:53 hepsi010malltim21.com udp
US 1.1.1.1:53 hersenbo67saaaeldai548.com udp
US 1.1.1.1:53 alayinag45idaesaesr5454.com udp
US 1.1.1.1:53 neadamsin45mdeaayaq.com udp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.14:443 android.apis.google.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 172.217.16.238:443 tcp
GB 142.250.179.226:443 tcp
GB 142.250.187.227:443 tcp
GB 142.250.187.227:443 tcp
GB 142.250.187.227:443 tcp
US 1.1.1.1:53 g.tenor.com udp
GB 142.250.178.10:443 g.tenor.com tcp

Files

/data/data/com.putidea84/cache/jmdxmloeumceekh

MD5 99d43cc28bd5633ec42e2f58351059a1
SHA1 fcec0f7db5b8b33db1fdc59a593fd68829027ff2
SHA256 15df5b79abab91dbea4b0f2dc57c6748d8544c03d1925ef1e4120884e8e926b8
SHA512 72272a106b0e5daeda6273eaaab572ff56ad9e9abd3be6ae5d1c21c5f03de7a1cc693bbf3fd0d4ae053941da7da9fae5196002d003441f229129126c0d9c8e8d

/data/data/com.putidea84/cache/oat/jmdxmloeumceekh.cur.prof

MD5 d4a1f577c8481a6fa59cd78be5afcc35
SHA1 f512e64114b8ab2f26b188fc33554492899642f8
SHA256 2a298a0777e0a0323e0cad62726b3d7e03c613911c49bf387b010c0ca0d475bd
SHA512 f13709d793a637d1f5b36f9b346f0c23ca93c19c1a20310d12a96676be333e66ebf736efdfcde82750ec1d09b73f4c7a82df2480b431962f60469fca36caff07